Inventor

FLETCHER FRED B

US3 patents

⚠️ This page may combine multiple inventors who share the name “FLETCHER FRED B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRAMFITT BRUCE L

2 patents

US8241442B2Aug 14, 2012

Method of making a hypereutectoid, head-hardened steel rail

BRAMFITT BRUCE L11 citations77

US8721807B2May 13, 2014

Hypereutectoid, head-hardened steel rail

BRAMFITT BRUCE L1 citations55

ARCELORMITTAL INVESTIG Y DESARROLLO S L

1 patent

US9512501B2Dec 6, 2016

Hypereutectoid-head steel rail

ARCELORMITTAL INVESTIG Y DESARROLLO S L0 citations46